package algorithm.locks;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class ReentrantLockTest {
    static Lock lock = new ReentrantLock();

    public static void main(String[] args) {
        for (int i=0; i<5;i++){
            new Thread(new ThreadDemo(i)).start();
        }
    }

    static class ThreadDemo implements Runnable {
        Integer id;

        public ThreadDemo(Integer id){
            this.id = id;
        }

        @Override
        public void run() {
            try {
                TimeUnit.MICROSECONDS.sleep(10);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

            for(int i=0;i<2;i++){
                lock.lock();
                System.out.println("获取锁的线程:"+id);
                lock.unlock();
            }

        }
    }

}


